/* ==========================================================================
   THEMES.CSS — Visual theme presets (applied via data-theme on <html>)
   ========================================================================== */

/* ======================================================================== */
/*  MODERN (default) — already defined in variables.css                      */
/* ======================================================================== */

/* No overrides needed — variables.css IS the modern theme */

/* ======================================================================== */
/*  ELEGANT — serif-heavy, softer shadows, warm background                   */
/* ======================================================================== */

[data-theme="elegant"] {
  --color-bg: #faf8f5;
  --color-bg-alt: #f3efe9;
  --color-border: #ddd5c9;
  --color-text: #2c2420;
  --color-text-muted: #7a6e62;
  --color-text-light: #a89c90;

  --radius-sm: 4px;
  --radius: 6px;
  --radius-lg: 10px;

  --shadow-sm: 0 1px 4px rgba(44, 36, 32, 0.05);
  --shadow-md: 0 4px 20px rgba(44, 36, 32, 0.07);
  --shadow-lg: 0 8px 32px rgba(44, 36, 32, 0.10);
  --shadow-hover: 0 12px 36px rgba(44, 36, 32, 0.13);
}

[data-theme="elegant"] .section-headline::after {
  height: 2px;
  width: 80px;
  background: var(--color-accent);
  opacity: 0.6;
}

[data-theme="elegant"] .nav-menu a {
  letter-spacing: 0.08em;
  font-weight: 400;
}

[data-theme="elegant"] .btn {
  border-radius: 4px;
  letter-spacing: 0.04em;
}

[data-theme="elegant"] .site-nav.nav-scrolled {
  background: rgba(250, 248, 245, 0.97);
}

[data-theme="elegant"] .hero-overlay {
  background: linear-gradient(180deg, rgba(44, 36, 32, 0.3) 0%, rgba(44, 36, 32, 0.5) 100%);
}

[data-theme="elegant"] .benefit-card,
[data-theme="elegant"] .stat-card,
[data-theme="elegant"] .financing-block {
  border: none;
  box-shadow: var(--shadow-sm);
}

[data-theme="elegant"] .contact-form,
[data-theme="elegant"] .contact-card {
  border: none;
  box-shadow: var(--shadow-sm);
}

/* ======================================================================== */
/*  BOLD — dramatic shadows, larger type, stronger contrast                  */
/* ======================================================================== */

[data-theme="bold"] {
  --color-bg: #ffffff;
  --color-bg-alt: #f0f0f5;
  --color-text: #0d0d1a;
  --color-text-muted: #4a4a6a;
  --color-text-light: #7a7a9a;
  --color-border: #d0d0e0;

  --text-3xl: clamp(2rem, 4vw, 3rem);
  --text-4xl: clamp(3rem, 6vw, 5rem);

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;

  --shadow-sm: 0 2px 8px rgba(13, 13, 26, 0.08);
  --shadow-md: 0 6px 24px rgba(13, 13, 26, 0.12);
  --shadow-lg: 0 12px 40px rgba(13, 13, 26, 0.16);
  --shadow-hover: 0 16px 48px rgba(13, 13, 26, 0.20);
}

[data-theme="bold"] .section-headline::after {
  width: 40px;
  height: 4px;
  border-radius: 4px;
}

[data-theme="bold"] .hero-overlay {
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.65) 100%);
}

[data-theme="bold"] .hero-title {
  letter-spacing: -0.04em;
  font-weight: 800;
}

[data-theme="bold"] .btn {
  border-width: 3px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

[data-theme="bold"] .benefit-card,
[data-theme="bold"] .stat-card {
  border: 2px solid var(--color-border);
}

[data-theme="bold"] .benefit-card:hover,
[data-theme="bold"] .stat-card:hover {
  border-color: var(--color-accent);
}

[data-theme="bold"] .nav-menu a {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

[data-theme="bold"] .site-footer {
  padding: var(--space-xl) 0;
}

/* ======================================================================== */
/*  MINIMAL — ultra-clean, thin lines, generous spacing                      */
/* ======================================================================== */

[data-theme="minimal"] {
  --color-bg: #ffffff;
  --color-bg-alt: #fafafa;
  --color-text: #222222;
  --color-text-muted: #888888;
  --color-text-light: #bbbbbb;
  --color-border: #eeeeee;

  --radius-sm: 2px;
  --radius: 4px;
  --radius-lg: 8px;
  --radius-full: 9999px;

  --shadow-sm: none;
  --shadow-md: 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.08);

  --space-xl: 8rem;
}

[data-theme="minimal"] .section-headline::after {
  display: none;
}

[data-theme="minimal"] .section-headline {
  font-weight: 400;
  letter-spacing: -0.02em;
}

[data-theme="minimal"] .hero-overlay {
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.2) 0%, rgba(0, 0, 0, 0.4) 100%);
}

[data-theme="minimal"] .hero-subtitle {
  letter-spacing: 0.3em;
  font-size: var(--text-xs);
}

[data-theme="minimal"] .btn {
  border-radius: 2px;
  padding: 0.6rem 2rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: var(--text-xs);
}

[data-theme="minimal"] .benefit-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-lg) var(--space-md);
}

[data-theme="minimal"] .benefit-card:hover {
  transform: none;
  box-shadow: none;
  border-color: var(--color-accent);
}

[data-theme="minimal"] .benefit-icon {
  background: none;
  border: 1px solid var(--color-border);
}

[data-theme="minimal"] .stat-card {
  border: none;
  border-bottom: 2px solid var(--color-border);
  border-radius: 0;
  padding: var(--space-md) var(--space-sm);
}

[data-theme="minimal"] .nav-menu a {
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
  font-size: var(--text-base);
}

[data-theme="minimal"] .nav-menu a::after {
  height: 1px;
}

[data-theme="minimal"] .site-footer {
  border-top: 1px solid var(--color-border);
}

[data-theme="minimal"] .contact-form,
[data-theme="minimal"] .contact-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

[data-theme="minimal"] .financing-block:hover,
[data-theme="minimal"] .distance-card:hover {
  transform: none;
  box-shadow: none;
}

/* ======================================================================== */
/*  DARK — dark background, light text                                       */
/* ======================================================================== */

[data-theme="dark"] {
  --color-bg: #0f1117;
  --color-bg-alt: #1a1d27;
  --color-text: #e4e4e8;
  --color-text-muted: #9a9ab0;
  --color-text-light: #6a6a80;
  --color-border: #2a2d3a;
  --color-primary: #e4e4e8;

  --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.5);
  --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.6);
}

[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4 {
  color: #fff;
}

[data-theme="dark"] .site-nav.nav-scrolled {
  background: rgba(15, 17, 23, 0.95);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .nav-scrolled .nav-brand {
  color: #fff;
}

[data-theme="dark"] .nav-scrolled .nav-menu a {
  color: var(--color-text);
}

[data-theme="dark"] .nav-scrolled .nav-hamburger span {
  background: var(--color-text);
}

[data-theme="dark"] .hero-overlay {
  background: linear-gradient(180deg, rgba(15, 17, 23, 0.4) 0%, rgba(15, 17, 23, 0.7) 100%);
}

[data-theme="dark"] .benefit-card,
[data-theme="dark"] .stat-card,
[data-theme="dark"] .financing-block,
[data-theme="dark"] .distance-card,
[data-theme="dark"] .contact-form,
[data-theme="dark"] .contact-card,
[data-theme="dark"] .standard-item,
[data-theme="dark"] .feature-card,
[data-theme="dark"] .unit-card {
  background: var(--color-bg-alt);
  border-color: var(--color-border);
}

[data-theme="dark"] .units-table {
  background: var(--color-bg-alt);
}

[data-theme="dark"] .units-table thead {
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-text);
}

[data-theme="dark"] .unit-row:hover {
  background: rgba(255, 255, 255, 0.04);
}

[data-theme="dark"] .modal-container {
  background: var(--color-bg);
  color: var(--color-text);
}

[data-theme="dark"] .modal-close {
  background: var(--color-bg-alt);
  color: var(--color-text);
}

[data-theme="dark"] .unit-detail-price {
  background: var(--color-bg-alt);
}

[data-theme="dark"] .site-footer {
  background: #080a0f;
  border-top: 1px solid var(--color-border);
}

[data-theme="dark"] .tab-btn {
  border-color: var(--color-border);
  color: var(--color-text-muted);
}

[data-theme="dark"] .filter-select {
  background: var(--color-bg-alt);
  color: var(--color-text);
  border-color: var(--color-border);
}

[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group select,
[data-theme="dark"] .form-group textarea {
  background: var(--color-bg-alt);
  color: var(--color-text);
  border-color: var(--color-border);
}

[data-theme="dark"] .stats-extras {
  background: var(--color-bg-alt);
  border-color: var(--color-border);
}

[data-theme="dark"] .extras-row {
  border-color: var(--color-border);
}

@media (max-width: 768px) {
  [data-theme="dark"] .nav-menu {
    background: var(--color-bg);
  }

  [data-theme="dark"] .nav-menu a {
    color: var(--color-text);
    border-bottom-color: var(--color-border);
  }
}
